Home / 12,449.70-18,672.26-3,682.53

Finding the Fourth Proportional to 12,449.70, 18,672.26 and 3,682.53

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Solution

The fourth proportional to 12,449.70, 18,672.26 and 3,682.53 is: 5,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.70 : 18,672.26 = 3,682.53 : x
  2. Step 2: Convert to fraction form
    12,449.70/18,672.26 = 3,682.53/x
  3. Step 3: Cross multiply
    12,449.70x = 18,672.26 × 3,682.53
  4. Step 4: Simplify right side
    12,449.70x = 68,761,139.21
  5. Step 5: Solve for x
    x = 68,761,139.21/12,449.70
  6. Step 6: Final answer
    x = 5,523.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.